201394749129

素因数分解:

$3^1\times 7^4\times {\mathrm{27959843}}^1$

素因数の和:27959874

約数の個数: 20

約数和(自身を含む): 313262092176

約数和(自身を除く): 111867343047

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 27959843, 83879529, 195718901, 587156703, 1370032307, 4110096921, 9590226149, 28770678447, 67131583043, 201394749129]

約数ペア:

[(1, 201394749129), (3, 67131583043), (7, 28770678447), (21, 9590226149), (49, 4110096921), (147, 1370032307), (343, 587156703), (1029, 195718901), (2401, 83879529), (7203, 27959843)]